Is this legal to ride on public roads?

At 40-45 mph it does not meet the Class 1-3 e-bike limits most US states enforce, which cap assist at 20 or 28 mph. Treat it as an off-road vehicle unless your state registers it as a moped or motorcycle.

How far can it really go on a charge?

The 1664 Wh battery is large, and the claimed 100+ miles assumes low assist. Expect far less at high speed or on throttle-only riding, where range drops sharply.

Do both motors run at once?

Dual-motor bikes typically let you run the rear motor alone, the front alone, or both together. Both together gives the strongest climbing and acceleration but drains the battery fastest.

Can I ride it if the battery dies?

Yes. The 21-speed drivetrain lets you pedal it unassisted, but the bike is heavy, so expect slow, hard work on hills without power.

What comes in the box?

The bike, a charger, basic tools and a manual. It ships mostly assembled, so plan on fitting the front wheel, handlebars and pedals and checking the brakes before the first ride.

How does it compare with a single-motor fat bike?

It offers much more torque and climbing ability, plus a bigger battery, at the cost of extra weight, higher complexity and more to go wrong. A single-motor bike is lighter and simpler for flat trails and commuting.

Electric Bicycle Dual Motor Ebike Price History: Lowest $649.99

Q: Where is the Electric Bicycle Dual Motor Ebike Mountain Bike MTB Off Road cheapest?

At TurboTech Co., for $649.99, as of our latest check.

From TurboTech Co.

1000W brushless rear hub motor with peak output of 1200W
Top speeds up to 31 mph (50 km/h); climbs inclines as steep as 35%
48V 20Ah removable lithium-ion battery; up to 56 miles pure electric, up to 93 miles pedal assist
20" x 4.0" Kenda fat tires for snow, sand, mud and mountain trails
Front spring suspension and rear shock absorber
Hydraulic disc brakes on both wheels; UL/GCC safety certified

Materials: Aluminum alloy frame, leather seat, aluminum alloy wheel hub
Fit: Supports riders between 160–200cm (5'2"–6'6") in height and up to 396 lbs (180 kg) in weight
Sizing: Fits riders 160–200cm (5'2"–6'6") tall and up to 396 lbs (180 kg)
Guarantee: 30-Day Satisfaction Guarantee: easy returns, no hassle
Returns: 30-Day Satisfaction Guarantee: easy returns, no hassle
Shipping: Free shipping on all U.S. orders; all orders process the same day
In the box: 56V 2A charger, Tools, Manual

About the Electric Bicycle Dual Motor Ebike Mountain Bike MTB Off Road

This electric mountain bike has dual motors with a peak output of 5000W and 220 Nm of torque. It has a 52V 32Ah battery (1664Wh), a top speed of 40-45 mph and a range of 100+ miles per charge. It can climb 45° inclines. The battery is removable and locks with a key.

It rides on 24" x 4.0 fat tires with a front suspension fork. Dual hydraulic disc brakes handle stopping, and the bike has 21 speeds. The frame is aluminum alloy and the seat is leather. It is UL 2849 certified.

A USB charge port is built in. The bike arrives 90% pre-assembled, with tools and a manual for setup.

Motor: Dual motors, 5000W peak
Torque: 220 Nm
Battery: 52V 32Ah, 1664Wh, removable with key
Range: 100+ miles per charge
Top speed: 40-45 mph
Climbing: 45° inclines
Tires: 24" x 4.0 fat tires
Brakes: Dual hydraulic disc brakes
Gears: 21 speed
Suspension: Front suspension fork
Frame: Aluminum alloy
Seat: Leather
Charging: USB charge port
Certification: UL 2849
Rider height: 160–200 cm (5'2"–6'6")
Max rider weight: 396 lbs (180 kg)
Bike weight: 92.5 lbs (42 kg)
Dimensions: 170 x 70 x 105 cm (L x W x H)
Colors: All black; black rim with brown seat bag; green wheels with black seat bag
In the box: Charger, tools, manual